From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6EE81338592; Thu, 8 Jan 2026 11:42:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767872539; cv=none; b=udr3EQ4yQdnl20ORWSuIqbUmJzQ75yeS0W4466tUVd0wfpW0ecswDPAQbAPelIKYlDtKQlqRb3EEIDO7fWqG0QPoYVK80SS1ThWPJoP6CzUU/ooLS8FH1gg2vEmv5icuwkBWiq4sAj9JSw9J9DPcIXnpykESlyCD7qOj4VUyKv4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767872539; c=relaxed/simple; bh=ttupqEGkMEcEuPViZy3HWzygBgTOKjkQ58B9GvzZqPo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O6jZF41Fnu1HmjDIKnYRVaDrgfE7d5YrsZNsXwipF9a7qS1pNMSpP/npEwY2UiKigJC3bo2l1A5Uzy+emydD1Dy+3g6x/o1s/iUuRByUidFrEYBa76xtfvoLbAOJcNlBXw05TQby+uehJVqbjYaDH4Lff4u0MApeZ1+AjmToNSE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=DNkbDbQW; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="DNkbDbQW" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=auld4VZzwjVZ31uDi1pYt/0YjX5oiUGQGK3GzcaTNUs=; b=DNkbDbQWcWwr1ypqVVlaMKGHEK zB2ik2MFJ67Fd97QEp38RHTpH+a3EJRrUWQR2vOT/NIf3/6WdEJnn9743FkjVsWh3YM/tZanTwtb/ AMIKbzaTVmKCnjnEE2icYVImYDXEld1WKF2gx1IkDU3aleDda9qUuBBwxsrUpIp+qvcjgttsrYTIK aJ60s2W+IL20lO4h7NVdMjuvEcStMLq/DpOQS5l7hUVc54SaTJuozrRlzseICl7c51mwlEl3udKtd +AAdD4W8CVKGdbGZ2I1nsjIzTr6gk24/lH+GV84qEBg7IBgc8LESR3w9sdjhlAagl0s2X0yVEAX/b hZNXEmlw==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdoP0-0000000EsPO-0AbM; Thu, 08 Jan 2026 11:42:06 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 42184300E8E; Thu, 08 Jan 2026 12:42:05 +0100 (CET) Date: Thu, 8 Jan 2026 12:42:05 +0100 From: Peter Zijlstra To: Waiman Long Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo , Chen Ridong , Pierre Gondois , Ingo Molnar , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Juri Lelli , Pingfan Liu Subject: Re: [PATCHv2 0/2] sched/deadline: Fix potential race in dl_add_task_root_domain() Message-ID: <20260108114205.GJ272712@noisy.programming.kicks-ass.net> References: <20251119095525.12019-3-piliu@redhat.com> <20251125032630.8746-1-piliu@redhat.com> <9deefb73-fb3a-4bb0-a808-88c478ea3240@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9deefb73-fb3a-4bb0-a808-88c478ea3240@redhat.com> On Wed, Jan 07, 2026 at 02:57:00PM -0500, Waiman Long wrote: > > On 11/25/25 3:14 AM, Juri Lelli wrote: > > Hi, > > > > On 25/11/25 11:26, Pingfan Liu wrote: > > > These two patches address the issue reported by Juri [1] (thanks!). > > > > > > The first removes an unnecessary comment, the second is the actual fix. > > > > > > @Tejun, while these could be squashed together, I kept them separate to > > > maintain the one-patch-one-purpose rule. let me know if you'd like me to > > > resend these in a different format, or feel free to adjust as needed. > > > > > > [1]: https://lore.kernel.org/lkml/aSBjm3mN_uIy64nz@jlelli-thinkpadt14gen4.remote.csb > > > > > > Pingfan Liu (2): > > > sched/deadline: Remove unnecessary comment in > > > dl_add_task_root_domain() > > > sched/deadline: Fix potential race in dl_add_task_root_domain() > > > > > > kernel/sched/deadline.c | 12 ++---------- > > > 1 file changed, 2 insertions(+), 10 deletions(-) > > For both > > > > Acked-by: Juri Lelli > > Peter, > > Are these 2 patches eligible to be merged into the the scheduler branch of > the tip tree? These are bug fixes to the deadline scheduler code. Thanks for the ping -- just to double check, I need to take the v2 patches, that are posted inside the v7 thread? I mean; I absolutely detest posting new series in the same thread as an older series and then you go and do non-linear versioning just to make it absolutely impossible to tell what's what. :-(